When cats become aggressive, they try to make themselves appear larger and more threatening by raising their fur, arching their backs, turning sideways and hissing or spitting. Often, the ears are pointed down and Often back to avoid damage to the inner ear and potentially listen for any changes behind them while focused forward. They […]
An elephant uses mud as a sunscreen, protecting its skin from ultraviolet light. Although tough, an elephant’s skin is very sensitive. Without regular mud baths to protect it from burning, insect bites and moisture loss, an elephant’s skin suffers serious damage. After bathing, the elephant will usually use its trunk to blow dust onto its […]
Further, the quick turnaround of many modern ships, spending only a matter of hours in port, limits a seafarer’s free-time ashore. Moreover, some seafarers entering U.S. ports from a watch list of 25 countries deemed high-risk face restrictions on shore leave due to security concerns in a post 9/11 environment. However, shore leave restrictions while […]
Aboriginal Americans of the continental United States, including the Aboriginal people of Alaska, had migrated from northern Asia by taking advantage of the freezing in the waters of the intersection of Russia and the state of Alaska. They started emigrating to the United States at least 12,000 years and possibly as far as 40,000 years […]
The elongation of the neck seems to have begun early in the giraffe lineage. Comparison between giraffes and their ancient relatives shows that the vertebrae near the skull elongated earlier, followed by the vertebrae extending below. An early giraffe ancestor Canthumeryx has been identified to have lived 25–20 million years ago (mya), 17–15 mya or […]
Authentic gardens of the yeoman cottager would have included a beehive and livestock, and frequently a pig and sty, along with a well. The peasant cottager of medieval times was more interested in meat than flowers, with herbs grown for medicinal use rather than for their beauty. By Elizabethan times there was more prosperity, and […]
Hiking in winter offers additional opportunities, challenges and hazards. Crampons may be needed in icy conditions, and an ice ax is recommended on steep, snow covered paths. Snowshoes and hiking poles, or cross country skis are useful aid for those hiking in deep snow. An example of a close relationship between skiing and hiking is […]
Whales are known to teach, learn, cooperate, scheme, and grieve. The neocortex of many species of whale is home to elongated spindle neurons that, prior to 2007, were known only in hominids. In humans, these cells are involved in social conduct, emotions, judgment, and theory of mind. Whale spindle neurons are found in areas of […]
Goats produce about 2% of the world’s total annual milk supply. Some goats are bred specifically for milk. If the strong-smelling buck is not separated from the does, his scent will affect the milk. Goat milk naturally has small, well-emulsified fat globules, which means the cream remains suspended in the milk, instead of rising to […]
The horses’ senses are based on their status as prey animals, where they must be aware of their surroundings at all times. They have the largest eyes of any land mammal, and are lateral-eyed, meaning that their eyes are positioned on the sides of their heads. This means that horses have a range of vision […]